20125909420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{825509}}^1$

素因数の和:825594

約数の個数: 48

約数和(自身を含む): 44934160320

約数和(自身を除く): 24808250900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 4876, 6095, 12190, 24380, 825509, 1651018, 3302036, 4127545, 8255090, 16510180, 18986707, 37973414, 43751977, 75946828, 87503954, 94933535, 175007908, 189867070, 218759885, 379734140, 437519770, 875039540, 1006295471, 2012590942, 4025181884, 5031477355, 10062954710, 20125909420]

約数ペア:

[(1, 20125909420), (2, 10062954710), (4, 5031477355), (5, 4025181884), (10, 2012590942), (20, 1006295471), (23, 875039540), (46, 437519770), (53, 379734140), (92, 218759885), (106, 189867070), (115, 175007908), (212, 94933535), (230, 87503954), (265, 75946828), (460, 43751977), (530, 37973414), (1060, 18986707), (1219, 16510180), (2438, 8255090), (4876, 4127545), (6095, 3302036), (12190, 1651018), (24380, 825509)]